diff options
Diffstat (limited to 'django/utils/translation/__init__.py')
| -rw-r--r-- | django/utils/translation/__init__.py | 98 |
1 files changed, 65 insertions, 33 deletions
diff --git a/django/utils/translation/__init__.py b/django/utils/translation/__init__.py index 29ac60ad1d..6b8cc73d5c 100644 --- a/django/utils/translation/__init__.py +++ b/django/utils/translation/__init__.py @@ -9,14 +9,27 @@ from django.utils.functional import lazy from django.utils.regex_helper import _lazy_re_compile __all__ = [ - 'activate', 'deactivate', 'override', 'deactivate_all', - 'get_language', 'get_language_from_request', - 'get_language_info', 'get_language_bidi', - 'check_for_language', 'to_language', 'to_locale', 'templatize', - 'gettext', 'gettext_lazy', 'gettext_noop', - 'ngettext', 'ngettext_lazy', - 'pgettext', 'pgettext_lazy', - 'npgettext', 'npgettext_lazy', + "activate", + "deactivate", + "override", + "deactivate_all", + "get_language", + "get_language_from_request", + "get_language_info", + "get_language_bidi", + "check_for_language", + "to_language", + "to_locale", + "templatize", + "gettext", + "gettext_lazy", + "gettext_noop", + "ngettext", + "ngettext_lazy", + "pgettext", + "pgettext_lazy", + "npgettext", + "npgettext_lazy", ] @@ -32,6 +45,7 @@ class TranslatorCommentWarning(SyntaxWarning): # replace the functions with their real counterparts (once we do access the # settings). + class Trans: """ The purpose of this class is to store the actual translation function upon @@ -47,13 +61,20 @@ class Trans: def __getattr__(self, real_name): from django.conf import settings + if settings.USE_I18N: from django.utils.translation import trans_real as trans from django.utils.translation.reloader import ( - translation_file_changed, watch_for_translation_changes, + translation_file_changed, + watch_for_translation_changes, + ) + + autoreload_started.connect( + watch_for_translation_changes, dispatch_uid="translation_file_changed" + ) + file_changed.connect( + translation_file_changed, dispatch_uid="translation_file_changed" ) - autoreload_started.connect(watch_for_translation_changes, dispatch_uid='translation_file_changed') - file_changed.connect(translation_file_changed, dispatch_uid='translation_file_changed') else: from django.utils.translation import trans_null as trans setattr(self, real_name, getattr(trans, real_name)) @@ -92,31 +113,33 @@ pgettext_lazy = lazy(pgettext, str) def lazy_number(func, resultclass, number=None, **kwargs): if isinstance(number, int): - kwargs['number'] = number + kwargs["number"] = number proxy = lazy(func, resultclass)(**kwargs) else: original_kwargs = kwargs.copy() class NumberAwareString(resultclass): def __bool__(self): - return bool(kwargs['singular']) + return bool(kwargs["singular"]) def _get_number_value(self, values): try: return values[number] except KeyError: raise KeyError( - "Your dictionary lacks key '%s\'. Please provide " + "Your dictionary lacks key '%s'. Please provide " "it, because it is required to determine whether " "string is singular or plural." % number ) def _translate(self, number_value): - kwargs['number'] = number_value + kwargs["number"] = number_value return func(**kwargs) def format(self, *args, **kwargs): - number_value = self._get_number_value(kwargs) if kwargs and number else args[0] + number_value = ( + self._get_number_value(kwargs) if kwargs and number else args[0] + ) return self._translate(number_value).format(*args, **kwargs) def __mod__(self, rhs): @@ -133,7 +156,10 @@ def lazy_number(func, resultclass, number=None, **kwargs): return translated proxy = lazy(lambda **kwargs: NumberAwareString(), NumberAwareString)(**kwargs) - proxy.__reduce__ = lambda: (_lazy_number_unpickle, (func, resultclass, number, original_kwargs)) + proxy.__reduce__ = lambda: ( + _lazy_number_unpickle, + (func, resultclass, number, original_kwargs), + ) return proxy @@ -146,7 +172,9 @@ def ngettext_lazy(singular, plural, number=None): def npgettext_lazy(context, singular, plural, number=None): - return lazy_number(npgettext, str, context=context, singular=singular, plural=plural, number=number) + return lazy_number( + npgettext, str, context=context, singular=singular, plural=plural, number=number + ) def activate(language): @@ -192,27 +220,27 @@ def check_for_language(lang_code): def to_language(locale): """Turn a locale name (en_US) into a language name (en-us).""" - p = locale.find('_') + p = locale.find("_") if p >= 0: - return locale[:p].lower() + '-' + locale[p + 1:].lower() + return locale[:p].lower() + "-" + locale[p + 1 :].lower() else: return locale.lower() def to_locale(language): """Turn a language name (en-us) into a locale name (en_US).""" - lang, _, country = language.lower().partition('-') + lang, _, country = language.lower().partition("-") if not country: return language[:3].lower() + language[3:] # A language with > 2 characters after the dash only has its first # character after the dash capitalized; e.g. sr-latn becomes sr_Latn. # A language with 2 characters after the dash has both characters # capitalized; e.g. en-us becomes en_US. - country, _, tail = country.partition('-') + country, _, tail = country.partition("-") country = country.title() if len(country) > 2 else country.upper() if tail: - country += '-' + tail - return lang + '_' + country + country += "-" + tail + return lang + "_" + country def get_language_from_request(request, check_path=False): @@ -229,6 +257,7 @@ def get_supported_language_variant(lang_code, *, strict=False): def templatize(src, **kwargs): from .template import templatize + return templatize(src, **kwargs) @@ -238,32 +267,35 @@ def deactivate_all(): def get_language_info(lang_code): from django.conf.locale import LANG_INFO + try: lang_info = LANG_INFO[lang_code] - if 'fallback' in lang_info and 'name' not in lang_info: - info = get_language_info(lang_info['fallback'][0]) + if "fallback" in lang_info and "name" not in lang_info: + info = get_language_info(lang_info["fallback"][0]) else: info = lang_info except KeyError: - if '-' not in lang_code: + if "-" not in lang_code: raise KeyError("Unknown language code %s." % lang_code) - generic_lang_code = lang_code.split('-')[0] + generic_lang_code = lang_code.split("-")[0] try: info = LANG_INFO[generic_lang_code] except KeyError: - raise KeyError("Unknown language code %s and %s." % (lang_code, generic_lang_code)) + raise KeyError( + "Unknown language code %s and %s." % (lang_code, generic_lang_code) + ) if info: - info['name_translated'] = gettext_lazy(info['name']) + info["name_translated"] = gettext_lazy(info["name"]) return info -trim_whitespace_re = _lazy_re_compile(r'\s*\n\s*') +trim_whitespace_re = _lazy_re_compile(r"\s*\n\s*") def trim_whitespace(s): - return trim_whitespace_re.sub(' ', s.strip()) + return trim_whitespace_re.sub(" ", s.strip()) def round_away_from_one(value): - return int(Decimal(value - 1).quantize(Decimal('0'), rounding=ROUND_UP)) + 1 + return int(Decimal(value - 1).quantize(Decimal("0"), rounding=ROUND_UP)) + 1 |